/*
 * Copyright 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.supporting.pane.views

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.lifecycleScope
import androidx.lifecycle.repeatOnLifecycle
import com.google.supporting.pane.views.databinding.ActivityMainBinding
import kotlinx.coroutines.launch


class MainActivity : AppCompatActivity() {

    private val viewModel = ContentViewModel()
    private var binding : ActivityMainBinding? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        binding = ActivityMainBinding.inflate(layoutInflater)
        binding?.supportingView?.setOnItemClickListener { newItem ->
            viewModel.selectFromSupportingPane(newItem)
        }
        setContentView(binding?.root)

        lifecycleScope.launch {
            repeatOnLifecycle(Lifecycle.State.STARTED) {
                viewModel.state.collect { label ->
                    binding?.mainView?.setText(label)
                }
            }
            repeatOnLifecycle(Lifecycle.State.STARTED) {
                viewModel.supportingState.collect { items ->
                    binding?.supportingView?.updateItems(items)
                }
            }
        }
    }
}